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Diffstat (limited to 'arch/powerpc/platforms/ps3/mm.c')
-rw-r--r--arch/powerpc/platforms/ps3/mm.c97
1 files changed, 51 insertions, 46 deletions
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index a4d49dd9e8a9..67de6bf3db3d 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -79,8 +79,8 @@ enum {
79 */ 79 */
80 80
81struct mem_region { 81struct mem_region {
82 unsigned long base; 82 u64 base;
83 unsigned long size; 83 u64 size;
84 unsigned long offset; 84 unsigned long offset;
85}; 85};
86 86
@@ -103,9 +103,9 @@ struct mem_region {
103 */ 103 */
104 104
105struct map { 105struct map {
106 unsigned long total; 106 u64 total;
107 unsigned long vas_id; 107 u64 vas_id;
108 unsigned long htab_size; 108 u64 htab_size;
109 struct mem_region rm; 109 struct mem_region rm;
110 struct mem_region r1; 110 struct mem_region r1;
111}; 111};
@@ -114,13 +114,13 @@ struct map {
114static void __maybe_unused _debug_dump_map(const struct map *m, 114static void __maybe_unused _debug_dump_map(const struct map *m,
115 const char *func, int line) 115 const char *func, int line)
116{ 116{
117 DBG("%s:%d: map.total = %lxh\n", func, line, m->total); 117 DBG("%s:%d: map.total = %llxh\n", func, line, m->total);
118 DBG("%s:%d: map.rm.size = %lxh\n", func, line, m->rm.size); 118 DBG("%s:%d: map.rm.size = %llxh\n", func, line, m->rm.size);
119 DBG("%s:%d: map.vas_id = %lu\n", func, line, m->vas_id); 119 DBG("%s:%d: map.vas_id = %llu\n", func, line, m->vas_id);
120 DBG("%s:%d: map.htab_size = %lxh\n", func, line, m->htab_size); 120 DBG("%s:%d: map.htab_size = %llxh\n", func, line, m->htab_size);
121 DBG("%s:%d: map.r1.base = %lxh\n", func, line, m->r1.base); 121 DBG("%s:%d: map.r1.base = %llxh\n", func, line, m->r1.base);
122 DBG("%s:%d: map.r1.offset = %lxh\n", func, line, m->r1.offset); 122 DBG("%s:%d: map.r1.offset = %lxh\n", func, line, m->r1.offset);
123 DBG("%s:%d: map.r1.size = %lxh\n", func, line, m->r1.size); 123 DBG("%s:%d: map.r1.size = %llxh\n", func, line, m->r1.size);
124} 124}
125 125
126static struct map map; 126static struct map map;
@@ -146,11 +146,11 @@ EXPORT_SYMBOL(ps3_mm_phys_to_lpar);
146void __init ps3_mm_vas_create(unsigned long* htab_size) 146void __init ps3_mm_vas_create(unsigned long* htab_size)
147{ 147{
148 int result; 148 int result;
149 unsigned long start_address; 149 u64 start_address;
150 unsigned long size; 150 u64 size;
151 unsigned long access_right; 151 u64 access_right;
152 unsigned long max_page_size; 152 u64 max_page_size;
153 unsigned long flags; 153 u64 flags;
154 154
155 result = lv1_query_logical_partition_address_region_info(0, 155 result = lv1_query_logical_partition_address_region_info(0,
156 &start_address, &size, &access_right, &max_page_size, 156 &start_address, &size, &access_right, &max_page_size,
@@ -164,7 +164,7 @@ void __init ps3_mm_vas_create(unsigned long* htab_size)
164 } 164 }
165 165
166 if (max_page_size < PAGE_SHIFT_16M) { 166 if (max_page_size < PAGE_SHIFT_16M) {
167 DBG("%s:%d: bad max_page_size %lxh\n", __func__, __LINE__, 167 DBG("%s:%d: bad max_page_size %llxh\n", __func__, __LINE__,
168 max_page_size); 168 max_page_size);
169 goto fail; 169 goto fail;
170 } 170 }
@@ -208,7 +208,7 @@ void ps3_mm_vas_destroy(void)
208{ 208{
209 int result; 209 int result;
210 210
211 DBG("%s:%d: map.vas_id = %lu\n", __func__, __LINE__, map.vas_id); 211 DBG("%s:%d: map.vas_id = %llu\n", __func__, __LINE__, map.vas_id);
212 212
213 if (map.vas_id) { 213 if (map.vas_id) {
214 result = lv1_select_virtual_address_space(0); 214 result = lv1_select_virtual_address_space(0);
@@ -235,15 +235,14 @@ void ps3_mm_vas_destroy(void)
235static int ps3_mm_region_create(struct mem_region *r, unsigned long size) 235static int ps3_mm_region_create(struct mem_region *r, unsigned long size)
236{ 236{
237 int result; 237 int result;
238 unsigned long muid; 238 u64 muid;
239 239
240 r->size = _ALIGN_DOWN(size, 1 << PAGE_SHIFT_16M); 240 r->size = _ALIGN_DOWN(size, 1 << PAGE_SHIFT_16M);
241 241
242 DBG("%s:%d requested %lxh\n", __func__, __LINE__, size); 242 DBG("%s:%d requested %lxh\n", __func__, __LINE__, size);
243 DBG("%s:%d actual %lxh\n", __func__, __LINE__, r->size); 243 DBG("%s:%d actual %llxh\n", __func__, __LINE__, r->size);
244 DBG("%s:%d difference %lxh (%luMB)\n", __func__, __LINE__, 244 DBG("%s:%d difference %llxh (%lluMB)\n", __func__, __LINE__,
245 (unsigned long)(size - r->size), 245 size - r->size, (size - r->size) / 1024 / 1024);
246 (size - r->size) / 1024 / 1024);
247 246
248 if (r->size == 0) { 247 if (r->size == 0) {
249 DBG("%s:%d: size == 0\n", __func__, __LINE__); 248 DBG("%s:%d: size == 0\n", __func__, __LINE__);
@@ -277,7 +276,7 @@ static void ps3_mm_region_destroy(struct mem_region *r)
277{ 276{
278 int result; 277 int result;
279 278
280 DBG("%s:%d: r->base = %lxh\n", __func__, __LINE__, r->base); 279 DBG("%s:%d: r->base = %llxh\n", __func__, __LINE__, r->base);
281 if (r->base) { 280 if (r->base) {
282 result = lv1_release_memory(r->base); 281 result = lv1_release_memory(r->base);
283 BUG_ON(result); 282 BUG_ON(result);
@@ -355,7 +354,7 @@ static unsigned long dma_sb_lpar_to_bus(struct ps3_dma_region *r,
355static void __maybe_unused _dma_dump_region(const struct ps3_dma_region *r, 354static void __maybe_unused _dma_dump_region(const struct ps3_dma_region *r,
356 const char *func, int line) 355 const char *func, int line)
357{ 356{
358 DBG("%s:%d: dev %lu:%lu\n", func, line, r->dev->bus_id, 357 DBG("%s:%d: dev %llu:%llu\n", func, line, r->dev->bus_id,
359 r->dev->dev_id); 358 r->dev->dev_id);
360 DBG("%s:%d: page_size %u\n", func, line, r->page_size); 359 DBG("%s:%d: page_size %u\n", func, line, r->page_size);
361 DBG("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr); 360 DBG("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr);
@@ -390,7 +389,7 @@ struct dma_chunk {
390static void _dma_dump_chunk (const struct dma_chunk* c, const char* func, 389static void _dma_dump_chunk (const struct dma_chunk* c, const char* func,
391 int line) 390 int line)
392{ 391{
393 DBG("%s:%d: r.dev %lu:%lu\n", func, line, 392 DBG("%s:%d: r.dev %llu:%llu\n", func, line,
394 c->region->dev->bus_id, c->region->dev->dev_id); 393 c->region->dev->bus_id, c->region->dev->dev_id);
395 DBG("%s:%d: r.bus_addr %lxh\n", func, line, c->region->bus_addr); 394 DBG("%s:%d: r.bus_addr %lxh\n", func, line, c->region->bus_addr);
396 DBG("%s:%d: r.page_size %u\n", func, line, c->region->page_size); 395 DBG("%s:%d: r.page_size %u\n", func, line, c->region->page_size);
@@ -596,7 +595,7 @@ static int dma_ioc0_map_pages(struct ps3_dma_region *r, unsigned long phys_addr,
596 595
597 /* build ioptes for the area */ 596 /* build ioptes for the area */
598 pages = len >> r->page_size; 597 pages = len >> r->page_size;
599 DBG("%s: pgsize=%#x len=%#lx pages=%#x iopteflag=%#lx\n", __func__, 598 DBG("%s: pgsize=%#x len=%#lx pages=%#x iopteflag=%#llx\n", __func__,
600 r->page_size, r->len, pages, iopte_flag); 599 r->page_size, r->len, pages, iopte_flag);
601 for (iopage = 0; iopage < pages; iopage++) { 600 for (iopage = 0; iopage < pages; iopage++) {
602 offset = (1 << r->page_size) * iopage; 601 offset = (1 << r->page_size) * iopage;
@@ -648,13 +647,14 @@ fail_alloc:
648static int dma_sb_region_create(struct ps3_dma_region *r) 647static int dma_sb_region_create(struct ps3_dma_region *r)
649{ 648{
650 int result; 649 int result;
650 u64 bus_addr;
651 651
652 DBG(" -> %s:%d:\n", __func__, __LINE__); 652 DBG(" -> %s:%d:\n", __func__, __LINE__);
653 653
654 BUG_ON(!r); 654 BUG_ON(!r);
655 655
656 if (!r->dev->bus_id) { 656 if (!r->dev->bus_id) {
657 pr_info("%s:%d: %lu:%lu no dma\n", __func__, __LINE__, 657 pr_info("%s:%d: %llu:%llu no dma\n", __func__, __LINE__,
658 r->dev->bus_id, r->dev->dev_id); 658 r->dev->bus_id, r->dev->dev_id);
659 return 0; 659 return 0;
660 } 660 }
@@ -671,7 +671,8 @@ static int dma_sb_region_create(struct ps3_dma_region *r)
671 671
672 result = lv1_allocate_device_dma_region(r->dev->bus_id, r->dev->dev_id, 672 result = lv1_allocate_device_dma_region(r->dev->bus_id, r->dev->dev_id,
673 roundup_pow_of_two(r->len), r->page_size, r->region_type, 673 roundup_pow_of_two(r->len), r->page_size, r->region_type,
674 &r->bus_addr); 674 &bus_addr);
675 r->bus_addr = bus_addr;
675 676
676 if (result) { 677 if (result) {
677 DBG("%s:%d: lv1_allocate_device_dma_region failed: %s\n", 678 DBG("%s:%d: lv1_allocate_device_dma_region failed: %s\n",
@@ -685,6 +686,7 @@ static int dma_sb_region_create(struct ps3_dma_region *r)
685static int dma_ioc0_region_create(struct ps3_dma_region *r) 686static int dma_ioc0_region_create(struct ps3_dma_region *r)
686{ 687{
687 int result; 688 int result;
689 u64 bus_addr;
688 690
689 INIT_LIST_HEAD(&r->chunk_list.head); 691 INIT_LIST_HEAD(&r->chunk_list.head);
690 spin_lock_init(&r->chunk_list.lock); 692 spin_lock_init(&r->chunk_list.lock);
@@ -692,7 +694,8 @@ static int dma_ioc0_region_create(struct ps3_dma_region *r)
692 result = lv1_allocate_io_segment(0, 694 result = lv1_allocate_io_segment(0,
693 r->len, 695 r->len,
694 r->page_size, 696 r->page_size,
695 &r->bus_addr); 697 &bus_addr);
698 r->bus_addr = bus_addr;
696 if (result) { 699 if (result) {
697 DBG("%s:%d: lv1_allocate_io_segment failed: %s\n", 700 DBG("%s:%d: lv1_allocate_io_segment failed: %s\n",
698 __func__, __LINE__, ps3_result(result)); 701 __func__, __LINE__, ps3_result(result));
@@ -720,7 +723,7 @@ static int dma_sb_region_free(struct ps3_dma_region *r)
720 BUG_ON(!r); 723 BUG_ON(!r);
721 724
722 if (!r->dev->bus_id) { 725 if (!r->dev->bus_id) {
723 pr_info("%s:%d: %lu:%lu no dma\n", __func__, __LINE__, 726 pr_info("%s:%d: %llu:%llu no dma\n", __func__, __LINE__,
724 r->dev->bus_id, r->dev->dev_id); 727 r->dev->bus_id, r->dev->dev_id);
725 return 0; 728 return 0;
726 } 729 }
@@ -777,7 +780,7 @@ static int dma_ioc0_region_free(struct ps3_dma_region *r)
777 */ 780 */
778 781
779static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr, 782static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
780 unsigned long len, unsigned long *bus_addr, 783 unsigned long len, dma_addr_t *bus_addr,
781 u64 iopte_flag) 784 u64 iopte_flag)
782{ 785{
783 int result; 786 int result;
@@ -800,7 +803,7 @@ static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
800 DBG("%s:%d lpar_addr %lxh\n", __func__, __LINE__, 803 DBG("%s:%d lpar_addr %lxh\n", __func__, __LINE__,
801 lpar_addr); 804 lpar_addr);
802 DBG("%s:%d len %lxh\n", __func__, __LINE__, len); 805 DBG("%s:%d len %lxh\n", __func__, __LINE__, len);
803 DBG("%s:%d bus_addr %lxh (%lxh)\n", __func__, __LINE__, 806 DBG("%s:%d bus_addr %llxh (%lxh)\n", __func__, __LINE__,
804 *bus_addr, len); 807 *bus_addr, len);
805 } 808 }
806 809
@@ -832,7 +835,7 @@ static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
832} 835}
833 836
834static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr, 837static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
835 unsigned long len, unsigned long *bus_addr, 838 unsigned long len, dma_addr_t *bus_addr,
836 u64 iopte_flag) 839 u64 iopte_flag)
837{ 840{
838 int result; 841 int result;
@@ -872,7 +875,7 @@ static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
872 return result; 875 return result;
873 } 876 }
874 *bus_addr = c->bus_addr + phys_addr - aligned_phys; 877 *bus_addr = c->bus_addr + phys_addr - aligned_phys;
875 DBG("%s: va=%#lx pa=%#lx a_pa=%#lx bus=%#lx\n", __func__, 878 DBG("%s: va=%#lx pa=%#lx a_pa=%#lx bus=%#llx\n", __func__,
876 virt_addr, phys_addr, aligned_phys, *bus_addr); 879 virt_addr, phys_addr, aligned_phys, *bus_addr);
877 c->usage_count = 1; 880 c->usage_count = 1;
878 881
@@ -889,7 +892,7 @@ static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr,
889 * This is the common dma unmap routine. 892 * This is the common dma unmap routine.
890 */ 893 */
891 894
892static int dma_sb_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr, 895static int dma_sb_unmap_area(struct ps3_dma_region *r, dma_addr_t bus_addr,
893 unsigned long len) 896 unsigned long len)
894{ 897{
895 unsigned long flags; 898 unsigned long flags;
@@ -903,7 +906,7 @@ static int dma_sb_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr,
903 1 << r->page_size); 906 1 << r->page_size);
904 unsigned long aligned_len = _ALIGN_UP(len + bus_addr 907 unsigned long aligned_len = _ALIGN_UP(len + bus_addr
905 - aligned_bus, 1 << r->page_size); 908 - aligned_bus, 1 << r->page_size);
906 DBG("%s:%d: not found: bus_addr %lxh\n", 909 DBG("%s:%d: not found: bus_addr %llxh\n",
907 __func__, __LINE__, bus_addr); 910 __func__, __LINE__, bus_addr);
908 DBG("%s:%d: not found: len %lxh\n", 911 DBG("%s:%d: not found: len %lxh\n",
909 __func__, __LINE__, len); 912 __func__, __LINE__, len);
@@ -926,12 +929,12 @@ static int dma_sb_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr,
926} 929}
927 930
928static int dma_ioc0_unmap_area(struct ps3_dma_region *r, 931static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
929 unsigned long bus_addr, unsigned long len) 932 dma_addr_t bus_addr, unsigned long len)
930{ 933{
931 unsigned long flags; 934 unsigned long flags;
932 struct dma_chunk *c; 935 struct dma_chunk *c;
933 936
934 DBG("%s: start a=%#lx l=%#lx\n", __func__, bus_addr, len); 937 DBG("%s: start a=%#llx l=%#lx\n", __func__, bus_addr, len);
935 spin_lock_irqsave(&r->chunk_list.lock, flags); 938 spin_lock_irqsave(&r->chunk_list.lock, flags);
936 c = dma_find_chunk(r, bus_addr, len); 939 c = dma_find_chunk(r, bus_addr, len);
937 940
@@ -941,7 +944,7 @@ static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
941 unsigned long aligned_len = _ALIGN_UP(len + bus_addr 944 unsigned long aligned_len = _ALIGN_UP(len + bus_addr
942 - aligned_bus, 945 - aligned_bus,
943 1 << r->page_size); 946 1 << r->page_size);
944 DBG("%s:%d: not found: bus_addr %lxh\n", 947 DBG("%s:%d: not found: bus_addr %llxh\n",
945 __func__, __LINE__, bus_addr); 948 __func__, __LINE__, bus_addr);
946 DBG("%s:%d: not found: len %lxh\n", 949 DBG("%s:%d: not found: len %lxh\n",
947 __func__, __LINE__, len); 950 __func__, __LINE__, len);
@@ -975,7 +978,8 @@ static int dma_ioc0_unmap_area(struct ps3_dma_region *r,
975static int dma_sb_region_create_linear(struct ps3_dma_region *r) 978static int dma_sb_region_create_linear(struct ps3_dma_region *r)
976{ 979{
977 int result; 980 int result;
978 unsigned long virt_addr, len, tmp; 981 unsigned long virt_addr, len;
982 dma_addr_t tmp;
979 983
980 if (r->len > 16*1024*1024) { /* FIXME: need proper fix */ 984 if (r->len > 16*1024*1024) { /* FIXME: need proper fix */
981 /* force 16M dma pages for linear mapping */ 985 /* force 16M dma pages for linear mapping */
@@ -1027,7 +1031,8 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
1027static int dma_sb_region_free_linear(struct ps3_dma_region *r) 1031static int dma_sb_region_free_linear(struct ps3_dma_region *r)
1028{ 1032{
1029 int result; 1033 int result;
1030 unsigned long bus_addr, len, lpar_addr; 1034 dma_addr_t bus_addr;
1035 unsigned long len, lpar_addr;
1031 1036
1032 if (r->offset < map.rm.size) { 1037 if (r->offset < map.rm.size) {
1033 /* Unmap (part of) 1st RAM chunk */ 1038 /* Unmap (part of) 1st RAM chunk */
@@ -1072,7 +1077,7 @@ static int dma_sb_region_free_linear(struct ps3_dma_region *r)
1072 */ 1077 */
1073 1078
1074static int dma_sb_map_area_linear(struct ps3_dma_region *r, 1079static int dma_sb_map_area_linear(struct ps3_dma_region *r,
1075 unsigned long virt_addr, unsigned long len, unsigned long *bus_addr, 1080 unsigned long virt_addr, unsigned long len, dma_addr_t *bus_addr,
1076 u64 iopte_flag) 1081 u64 iopte_flag)
1077{ 1082{
1078 unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr) 1083 unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr)
@@ -1091,7 +1096,7 @@ static int dma_sb_map_area_linear(struct ps3_dma_region *r,
1091 */ 1096 */
1092 1097
1093static int dma_sb_unmap_area_linear(struct ps3_dma_region *r, 1098static int dma_sb_unmap_area_linear(struct ps3_dma_region *r,
1094 unsigned long bus_addr, unsigned long len) 1099 dma_addr_t bus_addr, unsigned long len)
1095{ 1100{
1096 return 0; 1101 return 0;
1097}; 1102};
@@ -1169,13 +1174,13 @@ int ps3_dma_region_free(struct ps3_dma_region *r)
1169EXPORT_SYMBOL(ps3_dma_region_free); 1174EXPORT_SYMBOL(ps3_dma_region_free);
1170 1175
1171int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr, 1176int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
1172 unsigned long len, unsigned long *bus_addr, 1177 unsigned long len, dma_addr_t *bus_addr,
1173 u64 iopte_flag) 1178 u64 iopte_flag)
1174{ 1179{
1175 return r->region_ops->map(r, virt_addr, len, bus_addr, iopte_flag); 1180 return r->region_ops->map(r, virt_addr, len, bus_addr, iopte_flag);
1176} 1181}
1177 1182
1178int ps3_dma_unmap(struct ps3_dma_region *r, unsigned long bus_addr, 1183int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
1179 unsigned long len) 1184 unsigned long len)
1180{ 1185{
1181 return r->region_ops->unmap(r, bus_addr, len); 1186 return r->region_ops->unmap(r, bus_addr, len);